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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
shares in Thousands
Sep. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.10 $ 0.10
Preferred stock, shares authorized 1,000 1,000
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 83,333 83,333
Common stock, shares issued 21,573 21,573
Treasury stock 1,169 1,209